1.Ultrasonic water meter for water\liquid level 2.Ac or Dc power supply optional 3.Apply to all kinds of ... pool, well, Drains, measuring boxes, granaries, silo, etc.Specifications1.Power supply: DC24V(±10%),0.1A ; AC220V (±20%), 0.05A2. ... level controller/transmitters/switch,Capacitance position and level sensor,Ultrasonic displacement sensor/level meter for industrial,mobile and oil,gas,fuel markets. ...